Lymph nodes are located at the junction of lymphatic vessels in the body. Lymphatic vessels transport fluid containing antigenic material, dendritic cells (DCs), and inflammatory biochemicals from ...

Tumors, such as melanoma, release nanovesicles called exosomes (gray) that travel and lodge in the lymph nodes. There they corrupt the behavior of lymph cells. The lymphatic vessels (green) branch out ...

Lymph nodes can contain large numbers of tuberculosis-causing bacteria and serve as long-term reservoirs of bacterial persistence, according to a study published November 1 in the open-access journal ...

For the first time in decades, researchers have identified a new 'micro-organ' within the immune system - and they say it's an important step towards understanding how to make better vaccines. In a ...